donutloader | 5ba7cebac34a0b112719ee72d3d169dbf8a590a3a66da7dcf7b3e03b1acc567a

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	wmiprvse.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Control Panel\International\Geo\Nation	powershell.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Control Panel\International\Geo\Nation	MasonKit.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2058276091-3280583803-376660292-1000\Control Panel\International\Geo\Nation	Masonpowershell.exe

Executes dropped EXE 5 IoCs

pid	Process
3884	MasonKit.exe
2044	Masonpowershell.exe
4912	MasonRootkit.exe
5068	Masonpowershell.exe
4748	Masonpowershell.exe

Indicator Removal: Clear Windows Event Logs 1 TTPs 1 IoCs

Clear Windows Event Logs to hide the activity of an intrusion.

defense_evasion

Clear Windows Event Logs

T1070.001

description	ioc	Process
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-WindowsUpdateClient%4Operational.evtx	svchost.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\A:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\D:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	wmiprvse.exe

Drops file in System32 directory 19 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\system32\Microsoft\Protect\S-1-5-18\User\9bf18971-da42-47f3-9428-bed6d40ca1a4	lsass.exe
File opened for modification	C:\Windows\system32\Microsoft\Protect\S-1-5-18\User\Preferred	lsass.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Credentials\DFBE70A7E5CC19A398EBF1B96859CE5D	lsass.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Scan	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\FB0D848F74F70BB2EAA93746D24D9749	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4912 set thread context of 3512	4912	MasonRootkit.exe	88

Drops file in Windows directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File created	C:\Windows\Logs\CBS\CBS.log	TrustedInstaller.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TrustedInstaller.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3448	cmd.exe

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mousocoreworker.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	mousocoreworker.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2136	timeout.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	mousocoreworker.exe

Modifies data under HKEY_USERS 51 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property	mousocoreworker.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property\00188019B79799A0 = 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	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}	mousocoreworker.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02tyydnpvazpzghz\DeviceId = "<Data LastUpdatedTime=\"1788816450\"><User username=\"02TYYDNPVAZPZGHZ\"><HardwareInfo BoundTime=\"1788816450\" TpmKeyStateClient=\"1\" TpmKeyStateServer=\"3\" LicenseKeySequence=\"1\" LicenseInstallError=\"0\" LicenseKeyVersion=\"2\"/></User></Data>\r\n"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\DeviceId = "00188019B79799A0"	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "00188019B79799A0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\ApplicationFlags = "1"	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\DeviceTicket = 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	mousocoreworker.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02tyydnpvazpzghz\DeviceId = "<Data LastUpdatedTime=\"1788816450\"><User username=\"02TYYDNPVAZPZGHZ\"><HardwareInfo BoundTime=\"1788816452\" TpmKeyStateClient=\"1\" TpmKeyStateServer=\"3\" LicenseKeySequence=\"1\" LicenseInstallError=\"0\" LicenseKeyVersion=\"2\"/></User></Data>\r\n"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
3684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2404	powershell.exe
2404	powershell.exe
2044	Masonpowershell.exe
2044	Masonpowershell.exe
4912	MasonRootkit.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
5068	Masonpowershell.exe
5068	Masonpowershell.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
2044	Masonpowershell.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
2004	wmiprvse.exe
3512	dllhost.exe
3512	dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3392	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeDebugPrivilege	2044	Masonpowershell.exe
Token: SeDebugPrivilege	2044	Masonpowershell.exe
Token: SeDebugPrivilege	4912	MasonRootkit.exe
Token: SeDebugPrivilege	4912	MasonRootkit.exe
Token: SeDebugPrivilege	3512	dllhost.exe
Token: SeDebugPrivilege	5068	Masonpowershell.exe
Token: SeDebugPrivilege	5068	Masonpowershell.exe
Token: SeAssignPrimaryTokenPrivilege	2576	svchost.exe
Token: SeIncreaseQuotaPrivilege	2576	svchost.exe
Token: SeSecurityPrivilege	2576	svchost.exe
Token: SeTakeOwnershipPrivilege	2576	svchost.exe
Token: SeLoadDriverPrivilege	2576	svchost.exe
Token: SeSystemtimePrivilege	2576	svchost.exe
Token: SeBackupPrivilege	2576	svchost.exe
Token: SeRestorePrivilege	2576	svchost.exe
Token: SeShutdownPrivilege	2576	svchost.exe
Token: SeSystemEnvironmentPrivilege	2576	svchost.exe
Token: SeUndockPrivilege	2576	svchost.exe
Token: SeManageVolumePrivilege	2576	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2576	svchost.exe
Token: SeIncreaseQuotaPrivilege	2576	svchost.exe
Token: SeSecurityPrivilege	2576	svchost.exe
Token: SeTakeOwnershipPrivilege	2576	svchost.exe
Token: SeLoadDriverPrivilege	2576	svchost.exe
Token: SeSystemtimePrivilege	2576	svchost.exe
Token: SeBackupPrivilege	2576	svchost.exe
Token: SeRestorePrivilege	2576	svchost.exe
Token: SeShutdownPrivilege	2576	svchost.exe
Token: SeSystemEnvironmentPrivilege	2576	svchost.exe
Token: SeUndockPrivilege	2576	svchost.exe
Token: SeManageVolumePrivilege	2576	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2576	svchost.exe
Token: SeIncreaseQuotaPrivilege	2576	svchost.exe
Token: SeSecurityPrivilege	2576	svchost.exe
Token: SeTakeOwnershipPrivilege	2576	svchost.exe
Token: SeLoadDriverPrivilege	2576	svchost.exe
Token: SeSystemtimePrivilege	2576	svchost.exe
Token: SeBackupPrivilege	2576	svchost.exe
Token: SeRestorePrivilege	2576	svchost.exe
Token: SeShutdownPrivilege	2576	svchost.exe
Token: SeSystemEnvironmentPrivilege	2576	svchost.exe
Token: SeUndockPrivilege	2576	svchost.exe
Token: SeManageVolumePrivilege	2576	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2576	svchost.exe
Token: SeIncreaseQuotaPrivilege	2576	svchost.exe
Token: SeSecurityPrivilege	2576	svchost.exe
Token: SeTakeOwnershipPrivilege	2576	svchost.exe
Token: SeLoadDriverPrivilege	2576	svchost.exe
Token: SeSystemtimePrivilege	2576	svchost.exe
Token: SeBackupPrivilege	2576	svchost.exe
Token: SeRestorePrivilege	2576	svchost.exe
Token: SeShutdownPrivilege	2576	svchost.exe
Token: SeSystemEnvironmentPrivilege	2576	svchost.exe
Token: SeUndockPrivilege	2576	svchost.exe
Token: SeManageVolumePrivilege	2576	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2576	svchost.exe
Token: SeIncreaseQuotaPrivilege	2576	svchost.exe
Token: SeSecurityPrivilege	2576	svchost.exe
Token: SeTakeOwnershipPrivilege	2576	svchost.exe
Token: SeLoadDriverPrivilege	2576	svchost.exe
Token: SeSystemtimePrivilege	2576	svchost.exe
Token: SeBackupPrivilege	2576	svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 3884	2404	powershell.exe	83
PID 2404 wrote to memory of 2044	2404	powershell.exe	84
PID 3884 wrote to memory of 4912	3884	MasonKit.exe	85
PID 3884 wrote to memory of 3448	3884	MasonKit.exe	86
PID 4912 wrote to memory of 3512	4912	MasonRootkit.exe	88
PID 4912 wrote to memory of 3512	4912	MasonRootkit.exe	88
PID 4912 wrote to memory of 3512	4912	MasonRootkit.exe	88
PID 4912 wrote to memory of 3512	4912	MasonRootkit.exe	88
PID 4912 wrote to memory of 3512	4912	MasonRootkit.exe	88
PID 4912 wrote to memory of 3512	4912	MasonRootkit.exe	88
PID 4912 wrote to memory of 3512	4912	MasonRootkit.exe	88
PID 4912 wrote to memory of 3512	4912	MasonRootkit.exe	88
PID 4912 wrote to memory of 3512	4912	MasonRootkit.exe	88
PID 2044 wrote to memory of 3684	2044	Masonpowershell.exe	89
PID 3448 wrote to memory of 2136	3448	cmd.exe	92
PID 3512 wrote to memory of 604	3512	dllhost.exe	5
PID 3512 wrote to memory of 688	3512	dllhost.exe	7
PID 3512 wrote to memory of 888	3512	dllhost.exe	11
PID 3512 wrote to memory of 1020	3512	dllhost.exe	13
PID 3512 wrote to memory of 424	3512	dllhost.exe	14
PID 3512 wrote to memory of 884	3512	dllhost.exe	15
PID 3512 wrote to memory of 984	3512	dllhost.exe	16
PID 3512 wrote to memory of 1052	3512	dllhost.exe	17
PID 3512 wrote to memory of 1100	3512	dllhost.exe	18
PID 3512 wrote to memory of 1156	3512	dllhost.exe	19
PID 3512 wrote to memory of 1192	3512	dllhost.exe	20
PID 3512 wrote to memory of 1248	3512	dllhost.exe	21
PID 3512 wrote to memory of 1416	3512	dllhost.exe	23
PID 3512 wrote to memory of 1456	3512	dllhost.exe	24
PID 3512 wrote to memory of 1516	3512	dllhost.exe	25
PID 3512 wrote to memory of 1540	3512	dllhost.exe	26
PID 3512 wrote to memory of 1548	3512	dllhost.exe	27
PID 3512 wrote to memory of 1660	3512	dllhost.exe	28
PID 3512 wrote to memory of 1740	3512	dllhost.exe	29
PID 3512 wrote to memory of 1780	3512	dllhost.exe	30
PID 3512 wrote to memory of 1812	3512	dllhost.exe	31
PID 3512 wrote to memory of 1824	3512	dllhost.exe	32
PID 3512 wrote to memory of 1876	3512	dllhost.exe	33
PID 3512 wrote to memory of 1956	3512	dllhost.exe	34
PID 3512 wrote to memory of 2024	3512	dllhost.exe	35
PID 3512 wrote to memory of 2032	3512	dllhost.exe	36
PID 3512 wrote to memory of 1260	3512	dllhost.exe	37
PID 3512 wrote to memory of 1808	3512	dllhost.exe	38
PID 3512 wrote to memory of 2088	3512	dllhost.exe	39
PID 3512 wrote to memory of 2192	3512	dllhost.exe	40
PID 3512 wrote to memory of 2284	3512	dllhost.exe	42
PID 3512 wrote to memory of 2492	3512	dllhost.exe	43
PID 3512 wrote to memory of 2500	3512	dllhost.exe	44
PID 3512 wrote to memory of 2576	3512	dllhost.exe	45
PID 3512 wrote to memory of 2624	3512	dllhost.exe	46
PID 3512 wrote to memory of 2668	3512	dllhost.exe	47
PID 3512 wrote to memory of 2680	3512	dllhost.exe	48
PID 3512 wrote to memory of 2696	3512	dllhost.exe	49
PID 3512 wrote to memory of 2812	3512	dllhost.exe	50
PID 3512 wrote to memory of 2764	3512	dllhost.exe	52
PID 3512 wrote to memory of 3092	3512	dllhost.exe	53
PID 3512 wrote to memory of 3132	3512	dllhost.exe	54
PID 3512 wrote to memory of 3180	3512	dllhost.exe	55
PID 3512 wrote to memory of 3320	3512	dllhost.exe	56
PID 3512 wrote to memory of 3392	3512	dllhost.exe	57
PID 3512 wrote to memory of 3540	3512	dllhost.exe	58
PID 3512 wrote to memory of 3824	3512	dllhost.exe	60
PID 3512 wrote to memory of 4044	3512	dllhost.exe	62
PID 3512 wrote to memory of 4108	3512	dllhost.exe	63

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:604
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  PID:1156
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{87fb6fc8-42ab-4b26-9eba-3729b9134232}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3512

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
- Drops file in System32 directory
PID:688

C:\Windows\System32\WUDFHost.exe
"C:\Windows\System32\WUDFHost.exe" -HostGUID:{193a1820-d9ac-4997-8c55-be817523f6aa} -IoEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-95477fd6-73da-4eaf-92d9-6e90a385e107 -SystemEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-a24c8abf-6a29-44b4-8d2b-f26de4bb3458 -IoCancelEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-edcaa8cc-8d9b-4212-82d9-002deee83d68 -NonStateChangingEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-f9e0677f-3150-4e04-9858-cae5bc2fcf27 -LifetimeId:cfa5967f-12db-4715-b7d5-6bf1a1e6db51 -DeviceGroupId:WudfDefaultDevicePool -HostArg:0
1⤵
PID:888

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:1020

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:424

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:884

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:984

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Indicator Removal: Clear Windows Event Logs
PID:1052

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
1⤵
PID:1100

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1192

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:1248

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1416

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Drops file in System32 directory
PID:1456
- C:\Windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:3132
- C:\Users\Admin\AppData\Roaming\Masonpowershell.exe
  "C:\Users\Admin\AppData\Roaming\Masonpowershell.exe"
  2⤵
  - Executes dropped EXE
  PID:4748

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1516

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1540

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1548

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1660

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1740

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1780
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:2764

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1812

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1824

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1876

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1956

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:2024

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:2032

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1260

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:1808

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:2088

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:2192

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2284

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2492

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2500

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2576

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
- Drops file in System32 directory
PID:2624

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
- Enumerates connected drives
PID:2668

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2680

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2696

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2812

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3092

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:3180

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3320

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:3392
- C:\Users\Admin\AppData\Local\Temp\powershell.exe
  "C:\Users\Admin\AppData\Local\Temp\powershell.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Users\Admin\AppData\Local\Temp\MasonKit.exe
    "C:\Users\Admin\AppData\Local\Temp\MasonKit.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3884
  - - C:\Users\Admin\AppData\Local\Temp\MasonRootkit.exe
      "C:\Users\Admin\AppData\Local\Temp\MasonRootkit.exe"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4912
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp31F8.tmp.bat""
      4⤵
      Executes a command shell one-liner
      Suspicious use of WriteProcessMemory
      PID:3448
    - - C:\Windows\system32\timeout.exe
        
        timeout 3
        5⤵
        Delays execution with timeout.exe
        
        PID:2136
- - C:\Users\Admin\AppData\Roaming\Masonpowershell.exe
    "C:\Users\Admin\AppData\Roaming\Masonpowershell.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2044
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "Masonpowershell" /tr "C:\Users\Admin\AppData\Roaming\Masonpowershell.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3684

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3540

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3824

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4044

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4108

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4548

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:2752

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:2808

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:2856

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:820

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
PID:932

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
- Modifies data under HKEY_USERS
PID:3008

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3352

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXk0k6mrh4r2q0ct33a9wgbez0x7v9cz5y.mca
1⤵
PID:5024

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:5064

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:3860

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
PID:1724

C:\Users\Admin\AppData\Roaming\Masonpowershell.exe
C:\Users\Admin\AppData\Roaming\Masonpowershell.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5068

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 79d306829fff2d8f1e6f3564d33740ac VUlqrCygj0aFZV+yxZkw1g.0.1.0.0.0
1⤵
- Sets service image path in registry
- Modifies data under HKEY_USERS
PID:3584
- C:\Windows\System32\Conhost.exe
  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
  2⤵
  PID:3736

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:2004

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
PID:3268

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
- Drops file in Windows directory
PID:3188

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:4900

C:\Windows\System32\mousocoreworker.exe
C:\Windows\System32\mousocoreworker.exe -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies data under HKEY_USERS
PID:1976

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:5108

C:\Windows\system32\UsoClient.exe
C:\Windows\system32\usoclient.exe
1⤵
PID:1380

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Indicator Removal

T1070

Clear Windows Event Logs

T1070.001

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery